1125357194 has 64 divisors (see below), whose sum is σ = 2047368960. Its totient is φ = 458265600.

The previous prime is 1125357193. The next prime is 1125357197. The reversal of 1125357194 is 4917535211.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1125357193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 864344 + ... + 865644.

It is an arithmetic number, because the mean of its divisors is an integer number (31990140).

Almost surely, 2^1125357194 is an apocalyptic number.

1125357194 is a deficient number, since it is larger than the sum of its proper divisors (922011766).

1125357194 is a wasteful number, since it uses less digits than its factorization.

1125357194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455.

The product of its digits is 37800, while the sum is 38.

The square root of 1125357194 is about 33546.3439736732. The cubic root of 1125357194 is about 1040.1519729837.

The spelling of 1125357194 in words is "one billion, one hundred twenty-five million, three hundred fifty-seven thousand, one hundred ninety-four".